Mercedes-Benz C-class AMG W203/S203/CL203 (2001-2004) fuse 4 Wiring diagrams

1 2 3 31 30 WAKE 1 2 AMFM CLEAR CLEAR AM/FM AM/FM 1 2 CAN B L CAN B H 1 2 CLEAR CLEAR AM/FM AM/FM 1 2 CLEAR CLEAR ZF ZF 1 2 GPS CLEAR GPS GPS 1 2 ZF CLEAR CLEAR ZF ZF 1 4 2 A-ST FZU 30 2 1 30 DIAG 4 3 2 30 FZU A-ST 4 5 CAN L CAN H 6 29 23 DIAG WAKE MUTE AMPLIFIER MODULE (SCREEN ANTENNA) ANT BLK WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CD PLAYER COMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM CTEL INTERFACE (IF EQUIPPED) DIAG MUTE 30 ANT FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GPS ANTENNA (IF EQUIPPED) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES NCA WIRE OPTIC CABLE CONNECTOR ORG/ WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE TELE AID TRANSMITTER/ RECEIVER (FRONT OF SPARE TIRE WELL) VOICE CONTROL MODULE (IF EQUIPPED) WAKE WAKE UP SIGNAL CONNECTOR YEL/BLK WIRE

12 11 CAN-B L CAN-B H 3 4 5 ILLUM CAN L CAN H 7 6 CAN-B L CAN-B H AUTOMATIC TRANSMISSION PROGRAM SELECTOR PUSHBUTTON BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN L CAN H ILLUM CENTER AIR OUTLET ILLUMINATION CLOCK- SPRING COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS FOG LAMP FOG LAMP IND FRONT ASHTRAY ILLUMINATION FRONT CIGAR LIGHTER FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 4 FUSE 50 FUSE 51 FUSE 62 FUSE 63 GRN WIRE GRN/BLK WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP WASH HOT AT ALL TIMES HOT IN RUN OR START ILLUM ILLUMINATION ILLUMINATION RHEOSTAT IN OUT INSTRUMENT CLUSTER LAMP SWITCH MODULE LEFT AIR OUTLET ILLUMINATION LEFT REAR DOOR CONTROL MODULE LEFT REAR POWER WINDOW SWITCH LEFT RIGHT LOWER CONTROL FIELD CONTROL MODULE MB-INFO, BREAKDOWN ASSISTANCE BUTTON GROUP MIRROR FOLD- MIRROR SELECT MIRROR ADJUST NCA WIRE PARK HEAD OFF AUTO REAR BLOWER ELECTRONIC SELECTOR WHEEL RED WIRE RIGHT AIR OUTLET ILLUMINATION RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR CONTROL MODULE RIGHT REAR POWER WINDOW SWITCH SOS PUSH BUTTON SWITCH STEERING WHEEL MULTI- FUNCTION SWITCHES (2001, 2002 EARLY PRODUCTION) UPPER CONTROL PANEL CONTROL MODULE YEL WIRE

1 2 3 6 7 8 ESA SW ESA SW ESA SW ESA SW ESA SW ESA SW 2 1 CAN L CAN H 2 MEMORY LOCATION 3 9 4 6 1 7 5 10 8 U/D MTR COMMON L/R MTR DIM DIM HEAT HEAT TURN TURN 3 9 4 7 5 10 8 U/D MTR COMMON L/R MTR HEAT HEAT TURN TURN 4 3 10 7 8 9 FOLD FOLD POS 2 (+) POS 1 (-) 4 5 CAN L CAN H 6 7 5 4 CAN-B H CAN-B L 30 31 BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS FOG LAMP FOG LAMP IND FOLD-IN MOTOR FOLD-IN MOTOR FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 4 FUSE 50 FUSE 6 FUSE 62 FUSE 63 GRN WIRE GRN/BLK WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HEAD HEADLAMP WASH HEATING ELEMENT HEATING ELEMENT AUTO DIM HOT AT ALL TIMES HOT AT ALL TIMES HOT AT ALL TIMES HOT IN RUN OR START IN OUT INTERIOR FUSE BOX (UNDER LEFT END OF DASH) FUSE 22 FUSE 21 LAMP SWITCH MODULE LEFT EXTERIOR MIRROR LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ESA SWITCH GROUP LEFT RIGHT MEMORY STORE MIRROR ADJUST MIRROR FOLD- MIRROR SELECT MOTORS, POSITION SENSORS (LEFT/RIGHT, UP/ DOWN) NCA WIRE PARK OFF AUTO PNK/BLK WIRE PNK/RED WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT EXTERIOR MIRROR RIGHT FRONT DOOR CONTROL MODULE TURN SIGNAL WHT WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

10 10 (2001, 2002 EARLY PROD) (2002 LATE PROD) 9 1 (2001, 2002 EARLY PROD) (2002 LATE PROD) BATTERY BLK WIRE BLU WIRE BRAKE BOOSTER VACUUM PUMP CONTROL MODULE CENTRAL GATEWAY CONTROL UNIT COMFORT ACC PUSHBUTTON CONTROL MODULE, UPPER CONTROL PANEL CONTROL MODULE CTEL INTERFACE DI CONTROL MODULE (INTEGRAL W/ ELECTRONIC IGNITION STARTER SWITCH) DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE ELECTRIC SUCTION FAN ENGINE, A/C W/ INTEGRATED CONTROL FROM FUSE 33 (DIAGRAM 1 OF 2) FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 1 FUSE 2 FUSE 21 FUSE 22 FUSE 23 FUSE 25 FUSE 26 FUSE 27 FUSE 29 FUSE 30 FUSE 31 FUSE 32 FUSE 33 FUSE 34 FUSE 37 FUSE 38 FUSE 4 FUSE 40 FUSE 41 FUSE 42 FUSE 5 FUSE 6 GENERATOR GRN WIRE GRY WIRE HEATING SYSTEMS RECIRCULATION UNIT INSTRUMENT CLUSTER INTERIOR FUSE BOX (UNDER LEFT END OF DASH) LEFT FRONT DOOR CONTROL MODULE PASSENGER FRONT SEAT ADJUSTMENT CONTROL MODULE PNK WIRE REAR BLOWER MOTOR CONTROL MODULE REAR LEFT DOOR CONTROL MODULE REAR RIGHT DOOR CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RIGHT FRONT DOOR CONTROL MODULE SOUND AMPLIFIER STARTER MOTOR TO FUSE 34 (DIAGRAM 1 OF 2) UPPER CONTROL PANEL CONTROL MODULE VIO WIRE WHT WIRE YEL WIRE

1 2 9 10 31 30 CAN L CAN H 17 18 12 13 CAN-B L CAN-B H CAN-B L CAN-B H 2 3 FUEL CAP FUEL CAP 3 4 CAN-B L CAN-B H 4 5 CAN L CAN H BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COUPE, SEDAN DISPLAY FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUEL FILLER CAP CENTRAL LOCKING MOTOR FUSE 2 FUSE 4 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTERIOR CENTRAL LOCKING SWITCH LEFT FRONT DOOR CONTACT SWITCH LEFT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) LOCK PAWL ROTARY TUMBLER SWITCH (COUPE, SEDAN) MOTOR W/ POSITION, OBSTRUCTION SENSORS NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RIGHT FRONT DOOR CONTACT SWITCH RIGHT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) ROOF DRIVE SYSTEM SEDAN WAGON SEDAN, COUPE TRUNK LID CENTRAL LOCKING MOTOR TRUNK LID CONTACT SWITCH TRUNK LID EMERGENCY RELEASE SWITCH TRUNK LID EXTERNAL OPERATION SWITCH UPPER CONTROL PANEL CONTROL MODULE VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

2 1 CAN L CAN H 3 9 4 6 1 7 5 10 8 U/D MTR COMMON L/R MTR DIM DIM HEAT HEAT TURN TURN 3 9 4 7 5 10 8 U/D MTR COMMON L/R MTR HEAT HEAT TURN TURN 4 3 FOLD FOLD 4 5 CAN L CAN H 6 7 5 4 CAN-B H CAN-B L 30 31 BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS FOG LAMP FOG LAMP IND FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 21 FUSE 4 FUSE 50 FUSE 6 FUSE 62 FUSE 63 GRN WIRE GRN/BLK WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HEAD HEADLAMP WASH HEATING ELEMENT HEATING ELEMENT LEFT/ RIGHT MOTOR HOT AT ALL TIMES HOT IN RUN OR START IN OUT INTERIOR FUSE BOX (UNDER LEFT END OF DASH) FUSE 22 LAMP SWITCH MODULE LEFT EXTERIOR MIRROR LEFT FRONT DOOR CONTROL MODULE LEFT RIGHT LEFT/ RIGHT MOTOR AUTO DIM MIRROR ADJUST MIRROR FOLD- MIRROR SELECT NCA WIRE PARK OFF AUTO PNK/BLK WIRE PNK/RED WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT EXTERIOR MIRROR RIGHT FRONT DOOR CONTROL MODULE TURN SIGNAL UP/ DOWN MOTOR FOLD-IN MOTOR WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 CAN-B H CAN-B L 1 2 AMFM CLEAR CLEAR AM/FM AM/FM 1 2 CAN B L CAN B H 1 2 CLEAR CLEAR AM/FM AM/FM 1 2 CLEAR CLEAR ZF ZF 1 2 GPS CLEAR GPS GPS 1 2 ZF CLEAR CLEAR ZF ZF 1 4 2 A-ST FZU 30 2 1 30 DIAG 3 2 1 WAKE 30 31 4 3 2 30 FZU A-ST 4 5 CAN L CAN H 6 29 23 DIAG WAKE MUTE AMPLIFIER MODULE (SCREEN ANTENNA) ANT BLK WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CD PLAYER COMPUTER DATA LINES SYSTEM CTEL INTERFACE (IF EQUIPPED) DIAG MUTE 30 ANT FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GPS ANTENNA (IF EQUIPPED) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES NCA WIRE OPTIC CABLE CONNECTOR ORG/ WIRE RADIO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE TELE AID TRANSMITTER/ RECEIVER (FRONT OF SPARE TIRE WELL) VOICE CONTROL MODULE (IF EQUIPPED) WAKE WAKE UP 30 31 WAKE UP SIGNAL CONNECTOR YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 CAN-B H CAN-B L 1 2 AMFM CLEAR CLEAR AM/FM AM/FM 1 2 CAN B L CAN B H 1 2 CLEAR CLEAR AM/FM AM/FM 1 2 CLEAR CLEAR ZF ZF 1 2 GPS CLEAR GPS GPS 1 2 ZF CLEAR CLEAR ZF ZF 1 4 2 A-ST FZU 30 1-2, 3-4, 5-6, 7-8) 2 1 30 DIAG 3 2 1 WAKE 30 31 4 3 2 30 FZU A-ST 4 5 CAN L CAN H 6 29 23 DIAG WAKE MUTE AMPLIFIER MODULE (SCREEN ANTENNA) ANT BASS MODULE LOUDSPEAKER (2.6L, 3.2L) BLK WIRE BLU/BLK WIRE BRN WIRE BRN/ PNK WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CD PLAYER COMPUTER DATA LINES SYSTEM CTEL INTERFACE (IF EQUIPPED) DIAG MUTE 30 ANT FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GPS ANTENNA (IF EQUIPPED) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES LEFT FRONT DOOR MIRROR SPEAKER LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER NCA WIRE OPTIC CABLE CONNECTOR ORG/ WIRE PNK WIRE RADIO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR MIRROR SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER TELE AID TRANSMITTER/ RECEIVER (FRONT OF SPARE TIRE WELL) VOICE CONTROL MODULE (IF EQUIPPED) WAKE WAKE UP 30 31 WAKE UP SIGNAL CONNECTOR WHT WIRE YEL/BLK WIRE

1 29 30 DIAG 87 31 1 4 5 10 87 CAN L CAN H DIAG 1 6 7 5 2 CA 87 CAN L CAN H DIAG 31 17 1 15 6 MLS BS CAN L CAN H 2 1 CAN L CAN H 40 41 CAN L CAN H BLK WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC SELECTOR LEVER CONTROL MODULE (BASE OF GEAR SELECTOR LEVER) ESP, BAS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ETC CONTROL MODULE (UNDER RIGHT SIDE OF DASH) FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 4 FUSE 56 FUSE 62 FUSE 6 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START PNK 5 CB WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE STOPLAMP SWITCH (ON BRAKE PEDAL BRACKET) VIO WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE

1 2 3 6 7 8 ESA SW ESA SW ESA SW ESA SW ESA SW ESA SW 13 12 10 11 CAN-B H CAN-B L CAN-C H CAN-C L 30 31 2 1 CAN-B H CAN-B L 2 MEMORY LOCATION 4 5 CAN-B L CAN-B H 5 6 7 30 CAN-B H CAN-B L BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CL MODELS COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER SEAT) EXCEPT CL MODELS FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 6 FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 21 FUSE 27 FUSE 29 FUSE 31 FUSE 4 GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ESA SWITCH GROUP MEMORY STORE NCA WIRE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SCL STEERING COLUMN ADJUSTMENT LOCK INDICATOR SWITCH STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN HEIGHT ADJUSTMENT MOTOR (UP/DOWN) STEERING COLUMN LOCATION (RAISE/LOWER) (FORWARD/BACK) STEERING COLUMN LONGITUDINAL ADJUSTMENT MOTOR (FWD/BACK) STEERING COLUMN MODULE VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE